What does Section 410.23(3) dictate for switching requirements of luminaires?

Section 410.23(3) of the National Electrical Code specifies that luminaires must be connected to a branch circuit and include a means for control such as a switch. This requirement ensures that luminaires can be turned on and off through an accessible switch, promoting both safety and practicality in lighting design. The inclusion of a switching mechanism allows users to operate the luminaires conveniently and effectively, enhancing energy efficiency and user experience.

In a safely designed electrical system, allowing luminaires to be controlled reduces potential hazards associated with leaving lights on unnecessarily. This is particularly important in residential and commercial settings where energy consumption can significantly impact operational costs. By mandating that luminaires are controllable, the code emphasizes the balance between functionality and energy efficiency, ensuring that systems are designed with user needs in mind. Thus, luminaires need to adhere to these requirements to provide a safe and convenient lighting solution.